Figure 2.3 Rear Connectors Of Receiver / Exciter - R&S M3SR 4100 Series Operating Manual

M3SR Series 4100
Necessary cabling at the rear side:

Figure 2.3 Rear Connectors of Receiver / Exciter

1
13
12
1 Ground Connector
2 Rx Antenna Connector X2111
3 Rx/Tx Connector X2112 to external power amplifier (e.g. R&S VK4150 or R&S VK4190)
4 GPS Antenna Connector X2113
5 LAN Connector X20
6 REMOTE Connector X24
7 RCB SER Connector X21(control) to external power amplifier (e.g. R&S VK4150 or R&S
VK4190)
8 DATA/RS232 Connector X23
9 AUDIO/PTT Connector X26
10 EXT SYNC Connector X10
11 Connector X31 (DC IN) to external power amplifier (e.g. R&S VK4150 or R&S VK4190))
12 Connector X32 (BATTERY) to external battery
13 not used in this application
The cable between connector X31 DC IN (part of the radio) and the relevant connector
of the power amplifier is available on demand.
In case of a power supply failure the system switches automatically to a 28 VDC battery sup-
ply which can be connected to X32.
Operating Manual 6175.4760.02 – 01
10
11 9
Rear Cabling for Receiver / Exciter
3
2
7
6
8
ICN-4D-C-231000-R-D0894-00006-A-01-1
4
5
2.9